{"id":"CVE-2026-113811","title":"Algorithm::UrataniTakeda versions from 0.1.5 before 0.1.7 for Perl allow memory exhaustion via a never-cleared failure shift cache in search","summary":"Algorithm::UrataniTakeda versions from 0.1.5 before 0.1.7 for Perl allow memory exhaustion via a never-cleared failure shift cache in search.\n\nThe failure shift is cached for each pair of trie state and text character in a field of the m…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"adp","cwe":["CWE-770"],"product":"Algorithm-UrataniTakeda","affected":["Algorithm-UrataniTakeda >= 0.1.5 < 0.1.7"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-30T15:49:45.476740Z"},"exploitAvailable":true,"published":"2026-10-21","updated":"2026-10-30","sourceUpdated":"2026-10-30T15:49:54.511Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-113811","references":[{"url":"https://github.com/robrwo/perl-Algorithm-UrataniTakeda/security/advisories/GHSA-9vcx-647w-pr3h"},{"url":"https://metacpan.org/release/RRWO/Algorithm-UrataniTakeda-v0.1.7/changes"},{"url":"https://github.com/robrwo/perl-Algorithm-UrataniTakeda/commit/79897ef86a5a9bb6bc381718fe977c8150bc3d5b.patch"}],"tags":["cve.org","exploit-available"],"epss":0.00605,"epssPercentile":0.49077,"ingestedAt":"2026-10-21T21:13:32.718Z","slug":"CVE-2026-113811","body":"## Overview\n\nAlgorithm::UrataniTakeda versions from 0.1.5 before 0.1.7 for Perl allow memory exhaustion via a never-cleared failure shift cache in search.\n\nThe failure shift is cached for each pair of trie state and text character in a field of the matcher object, and nothing clears it. A character not seen before at a given state adds an entry that lasts for the life of the matcher.\n\nAn attacker who can submit text with many distinct characters to a long-lived matcher can grow its memory with each search.\n\n## Affected\n\n- `Algorithm-UrataniTakeda >= 0.1.5 < 0.1.7`\n\n## Remediation\n\nUpgrade to Algorithm-UrataniTakeda 0.1.7 or later.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":233072,"id":"CVE-2026-113811","ts":1793894913624,"field":"exploit_available","old":"false","new":"true"},{"seq":233071,"id":"CVE-2026-113811","ts":1793894913624,"field":"cvss","old":null,"new":"7.5"},{"seq":233070,"id":"CVE-2026-113811","ts":1793894913624,"field":"severity","old":"none","new":"high"}]}